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why is the filament of the bulb made of tungsten
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why is the filament of the bulb made of tungsten Related: Magnetic Ef...
Tungsten is used almost exclusively for making the filaments of electric bulbs because it has very high melting point(of 3380*C) due to which the tunsten filament can be kept white-hot without melting away. 
Moreover, tunsten has hugh flexibility and low rate of evaporation at high temperature.
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why is the filament of the bulb made of tungsten Related: Magnetic Effects of Electric Current?
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